Signature Resizer
Crop, resize, and compress your handwritten signature photo to fit official portal upload limits.
Signature tool
Resize and compress a signature image
Prepare a signature image for online forms by setting pixel size, target KB and download format in one simple browser tool.
Upload and settings
Choose an image, set the output details and generate the file.
Upload your image
JPG, PNG and WEBP are supported. Processing happens in your browser.
Signature presets
Your signature image stays on your device. This tool does not upload or store your file.
What this tool does
Crops white margins around signatures, resizes to target pixel resolution, and scales compression to fit strict KB limits.
When to use it
Use this when submitting digital signature uploads for passport applications, PAN card forms, banking portals, or competitive exams.
Frequently Asked Questions
What are standard signature specs for online forms?
Most Indian exam & job forms specify 140px x 60px (or 3.5cm x 1.5cm) dimensions and a file size between 10 KB and 20 KB.
How do I ensure a clear signature scan?
Sign clearly with black or dark blue ink on white paper, capture under good light, crop tightly around the signature, and adjust contrast.